Simplify basic viewport extensions

extensions/ohif-dicom-html-extension/src/OHIFDicomHtmlExtension.js

@@ -1,27 +0,0 @@
-import OHIFDicomHtmlViewport from './OHIFDicomHtmlViewport.js';
-import OHIFDicomHtmlSopClassHandler from './OHIFDicomHtmlSopClassHandler.js';
-
-export default class OHIFDicomHtmlExtension {
-  /**
-   * Extension ID is a unique id, might be used for namespacing extension specific redux actions/reducers (?)
-   */
-  getExtensionId() {
-    return 'html';
-  }
-
-  getViewportModule() {
-    return OHIFDicomHtmlViewport;
-  }
-
-  getSopClassHandler() {
-    return OHIFDicomHtmlSopClassHandler;
-  }
-
-  getPanelModuleDefinition() {
-    return null;
-  }
-
-  getToolbarModuleDefinition() {
-    return null;
-  }
-}

extensions/ohif-dicom-html-extension/src/index.js

@@ -1,3 +1,19 @@
-import OHIFDicomHtmlExtension from './OHIFDicomHtmlExtension.js';
+import OHIFDicomHtmlSopClassHandler from './OHIFDicomHtmlSopClassHandler.js';
+import OHIFDicomHtmlViewport from './OHIFDicomHtmlViewport.js';
 
-export default OHIFDicomHtmlExtension;
+export default class OHIFDicomHtmlExtension {
+  /**
+   * Extension ID is a unique id, might be used for namespacing extension specific redux actions/reducers (?)
+   */
+  getExtensionId() {
+    return 'html';
+  }
+
+  getViewportModule() {
+    return OHIFDicomHtmlViewport;
+  }
+
+  getSopClassHandler() {
+    return OHIFDicomHtmlSopClassHandler;
+  }
+}